Home / 84,848.20-127,239.90-25,664.20

Finding the Fourth Proportional to 84,848.20, 127,239.90 and 25,664.20

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Solution

The fourth proportional to 84,848.20, 127,239.90 and 25,664.20 is: 38,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.20 : 127,239.90 = 25,664.20 : x
  2. Step 2: Convert to fraction form
    84,848.20/127,239.90 = 25,664.20/x
  3. Step 3: Cross multiply
    84,848.20x = 127,239.90 × 25,664.20
  4. Step 4: Simplify right side
    84,848.20x = 3,265,510,241.58
  5. Step 5: Solve for x
    x = 3,265,510,241.58/84,848.20
  6. Step 6: Final answer
    x = 38,486.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.